Chinese : 绿蓝色颜料，主要含有氧化钴和氧化铝。 English : Greenish-blue pigment consisting essentially of cobalt oxide and alumina.
Chinese : 采用光谱法研究了聚乙烯亚胺（PEI）与钴离子在水溶液中络合的行为。 English : The kinetic and thermodynamic characteristics of the complexation reaction of polyethyleneimine ( PEI) with cobalt ions were studied.
Chinese : 该系统由放置于水中的金属钴、磷酸盐和一个电极组成。 English : The system consists of cobalt metal, phosphate and an electrode that are placed in water.